Home / 1,379,400,834.12-2,069,374,256.82-506,009,830.74

Finding the Fourth Proportional to 1,379,400,834.12, 2,069,374,256.82 and 506,009,830.74

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Solution

The fourth proportional to 1,379,400,834.12, 2,069,374,256.82 and 506,009,830.74 is: 759,114,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,400,834.12 : 2,069,374,256.82 = 506,009,830.74 : x
  2. Step 2: Convert to fraction form
    1,379,400,834.12/2,069,374,256.82 = 506,009,830.74/x
  3. Step 3: Cross multiply
    1,379,400,834.12x = 2,069,374,256.82 × 506,009,830.74
  4. Step 4: Simplify right side
    1,379,400,834.12x = 1,047,123,717,431,201,536
  5. Step 5: Solve for x
    x = 1,047,123,717,431,201,536/1,379,400,834.12
  6. Step 6: Final answer
    x = 759,114,893.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.